Braiv Shorts
AI shorts generator that turns long videos into viral clips with captions, dubbing, and soundtracks — built for creators and marketing teams.
YouTube Thumbnail Maker Free
YouTube Thumbnail Maker Free
Design high-CTR, click-worthy, and AI-powered YouTube thumbnails in seconds without watermarks.
Trusted by 100,000+ creators, podcasters & businesses globally
Stop wasting hours trying to design thumbnails from scratch or learning complex graphic software. Braiv's Free YouTube Thumbnail Maker automatically translates your video concepts and transcripts into highly clickable, professional cover art in under a second.
Key features include:
- → Automatic Text Overlays: Our AI extracts the most compelling textual hooks from your content and embeds highly readable text overlays naturally.
- → CTR Scoring & Diagnostic Heatmaps: Instantly score your designs before publishing to identify poor contrast, low text legibility, or color clutter.
- → Zero-Watermark Downloads: Save high-resolution (1280x720) PNG images ready for instant upload directly into your YouTube Studio dashboard.
Key Features
AI thumbnail scoring
Use AI to provide your thumbnails with a comprehensive score, backed by industry leading data points.
Fix thumbnails in one-click
Fix your thumbnails in a single click based on data-backed insights & feedback...then go viral!
Overlay any image in your thumbnails
Add the classic shocked creator or dramatic podcast snapshot artistically to your thumbnail in a matter of seconds.
Parent Product
Available in Braiv Thumbnails
AI creates clickable, on-brand thumbnails from your transcript and instantly scores and fixes existing designs — no designer required.
All Products
Explore more Braiv products
Braiv Clips & Promos
AI extracts self-contained stories from webinars and podcasts into 5–25 min clips and promo trailers — each with its own title and metadata.
Braiv Lipsync
Synchronize mouth movements with translated audio automatically — so dubbed videos look native to every market.
Braiv Captions
Word-by-word animated captions generated from your transcript — on-brand, accessibility-ready, and translated into 80+ languages.
Braiv Dubbing
AI video dubbing software with voice cloning and editable transcripts for teams creating multilingual training, marketing, and creator videos.
Braiv Speech
Expressive AI text-to-speech with voice cloning and custom voice design in 80+ languages — for teams scaling voiceovers without talent costs.
Braiv Transcription
Enterprise-grade speech-to-text with speaker detection, timestamps, and instant translation into 80+ languages.
Braiv Connect
Generate SEO-ready titles, descriptions, tags, and chapters from your transcript — then auto-publish everything to every channel in one click.
Braiv Docs
AI document translation for teams who need to translate worksheets, brochures, and branded files faster without traditional agency costs.
Braiv Player
Multilingual video player for businesses delivering one video in multiple languages with subtitles, dubbing, and language switching.
All Features
Features Built for Global Impact
Discover how Braiv simplifies video localization and unlocks global accessibility to save you time, reduce costs, and expand your reach.
Ready to Take Your Content Global?
Join over 100,000 creators scaling their reach with Braiv.
Get 300 AI Credits when you sign up today.
Frequently asked questions
Is this YouTube thumbnail maker really free to use?
Yes! Our YouTube thumbnail generator is completely free during our open beta. You can generate, score, and customize thumbnails without any watermarks or credit cards.
Do I need graphic design experience or prompts?
Not at all. Braiv is a zero-prompt thumbnail creator. It automatically reads your video title or transcript and generates high-converting, clickable designs directly suited for your audience.
Will these thumbnails improve my click-through rate (CTR)?
Absolutely. Our generator is trained on thousands of viral YouTube formats, combining high-contrast backgrounds, faces, and optimized text overlays to maximize CTR.
Can I use it to generate thumbnails for vertical YouTube Shorts?
Yes, you can easily design vertical cover art (9:16) optimized to stop the scroll on vertical mobile feeds and Shorts shelves.
Can I analyze or edit my existing video thumbnails?
Yes, you can upload your existing thumbnail and use our built-in AI Scorer to receive instant feedback on brightness, readability, contrast, and color heatmaps.